Silt and clay both are the result of the chemical as well as a physical breakdown of the minerals which are present in the rock. Both silt and clay are classified as fine-grained soils.
Here, In this article, you will get to know the difference between silt and clay.
What Is Silt?
It is difficult to mould silty soil into a particular shape because it has less plasticity. Silt has more permeability because of the less density of the particles. Silt has less dry strength.
What Is Clay?
Clay has one of the finest sizes of particles. The clay has the ability to hold water and the size of the clay particle is less than 2 micron.
Clay can be moulded into any desired shape because clay has more plasticity. Clay particles are more closely packed which results in more density so that clay had less permeability. The clay has a larger surface area due to its smaller particle size.
Silt Vs Clay
The difference between silt and clay are as follows.
|The particle size of the silt ranges between 75 microns to 2 microns.||The particle size of the clay is less than 2 microns.|
|Silt has less water holding capacity as compared to clay.||Clay has more water holding capacity.|
|If you touch wet silt by your hand you will feel very smooth.||If you touch clay with your hands it will be sticky.|
|The silt has less surface area as compared to the clay.||The clay particles have a larger surface area because of its very small size.|
|Silt has a uniform and non-sticky particles.||The particles of the clay are sticky in nature.|
|The silt particles have a limited ability to retain the plant nutrients in the soil.||Clay has good retention of plant nutrients in the soil.|
|Silt is difficult to mould into a particular shape.||Clay is very easy to mould into any shape.|
|Silt has a less dry strength.||Clay has greater dry strength as compared to the silt.|
|Silt has more permeability.||Clay has less permeability.|
|Silt has less density because the gap between the silt particles is more.||Clay has more Density because the particles in the clay are very closely packed.|
|The silty soil has less plasticity.||Clay has more plasticity as compared to the silt.|